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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2023-03-30 14:46:42 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-04-05 11:54:37 +0200 |
| commit | 0a4231985048fbac2d1d2fd375b640df2cfb0540 (patch) | |
| tree | d699a2264a0c4ce0f2cad0773283d33219af94bd /include/video | |
| parent | 9190f984ec2cd0fee523a7be640672c8202bdf51 (diff) | |
| download | barebox-0a4231985048fbac2d1d2fd375b640df2cfb0540.tar.gz barebox-0a4231985048fbac2d1d2fd375b640df2cfb0540.tar.xz | |
video: add MIPI DBI framebuffer helpers
Port helper functions for the panel-mipi-dbi driver from the Linux
kernel.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.barebox.org/20230330124643.3562397-3-p.zabel@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/video')
| -rw-r--r-- | include/video/mipi_dbi.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/video/mipi_dbi.h b/include/video/mipi_dbi.h index 5452600693..917f7ddd59 100644 --- a/include/video/mipi_dbi.h +++ b/include/video/mipi_dbi.h @@ -11,6 +11,7 @@ #include <linux/types.h> #include <spi/spi.h> #include <driver.h> +#include <fb.h> struct regulator; struct fb_videomode; @@ -55,6 +56,61 @@ struct mipi_dbi { struct list_head list; }; +/** + * struct mipi_dbi_dev - MIPI DBI device + */ +struct mipi_dbi_dev { + /** + * @dev: Device + */ + struct device *dev; + + /** + * @info: Framebuffer info + */ + struct fb_info info; + + /** + * @mode: Fixed display mode + */ + struct fb_videomode mode; + + /** + * @tx_buf: Buffer used for transfer (copy clip rect area) + */ + u8 *tx_buf; + + /** + * @backlight_node: backlight device node (optional) + */ + struct device_node *backlight_node; + + /** + * @backlight: backlight device (optional) + */ + struct backlight_device *backlight; + + /** + * @regulator: power regulator (Vdd) (optional) + */ + struct regulator *regulator; + + /** + * @io_regulator: I/O power regulator (Vddi) (optional) + */ + struct regulator *io_regulator; + + /** + * @dbi: MIPI DBI interface + */ + struct mipi_dbi dbi; + + /** + * @driver_private: Driver private data. + */ + void *driver_private; +}; + static inline const char *mipi_dbi_name(struct mipi_dbi *dbi) { return dev_name(&dbi->spi->dev); @@ -62,8 +118,15 @@ static inline const char *mipi_dbi_name(struct mipi_dbi *dbi) int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi, int dc); +int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, + struct fb_ops *ops, struct fb_videomode *mode); +void mipi_dbi_fb_flush(struct fb_info *info); +void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev, + struct fb_info *info); +void mipi_dbi_fb_disable(struct fb_info *info); void mipi_dbi_hw_reset(struct mipi_dbi *dbi); bool mipi_dbi_display_is_on(struct mipi_dbi *dbi); +int mipi_dbi_poweron_conditional_reset(struct mipi_dbi_dev *dbidev); u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len); int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz, |